check your server: http://www.mxtoolbox.com/
are you server open relay? You must use smtp autenticate. 2009/8/20 Israel Garcia <igalva...@gmail.com>: > My scenario: > > I have a lot of postfix servers, each one, use to sent mail directly > to internet, so It's difficult to monitor them. > What I want? > > Put all postfix's of my servers to send all their external mail to an > smarthost server in my network. I mean, the smarthost must receive > ONLY mail from my servers and relay them mail to internet. Remember I > have a lot of different servers and domains so I don't know how to > configure this smarthost becasuse in some way it's becoming an open > relay. > > My question: > How can I setup a secure smarthost to my network that receive mail > ONLY from my servers and relay all mail directly to Internet? Include > some configuration if possible. > > regards, > Israel. > -- Jose Alberto Pertuz GNU-Linux user #452473 Caracas,Venezuela 58+414+1279657
